Home / 81,659.07-122,536.22-34,270.16

Finding the Fourth Proportional to 81,659.07, 122,536.22 and 34,270.16

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Solution

The fourth proportional to 81,659.07, 122,536.22 and 34,270.16 is: 51,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,659.07 : 122,536.22 = 34,270.16 : x
  2. Step 2: Convert to fraction form
    81,659.07/122,536.22 = 34,270.16/x
  3. Step 3: Cross multiply
    81,659.07x = 122,536.22 × 34,270.16
  4. Step 4: Simplify right side
    81,659.07x = 4,199,335,081.16
  5. Step 5: Solve for x
    x = 4,199,335,081.16/81,659.07
  6. Step 6: Final answer
    x = 51,425.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.